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Finding the Fourth Proportional to 118,392.27, 177,582.62 and 43,506.65

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Solution

The fourth proportional to 118,392.27, 177,582.62 and 43,506.65 is: 65,257.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,392.27 : 177,582.62 = 43,506.65 : x
  2. Step 2: Convert to fraction form
    118,392.27/177,582.62 = 43,506.65/x
  3. Step 3: Cross multiply
    118,392.27x = 177,582.62 × 43,506.65
  4. Step 4: Simplify right side
    118,392.27x = 7,726,023,788.98
  5. Step 5: Solve for x
    x = 7,726,023,788.98/118,392.27
  6. Step 6: Final answer
    x = 65,257.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.